@Article{ MOLINA_AMBROSE:111-117,
author = { MARTA MOLINA and REBECCA AMBROSE } ,
title = { WHAT IS THAT EQUAL SIGN DOING IN THE MIDDLE?: FOSTERING RELATIONAL THINKING WHILE NEGOTIATING THE MEANING OF THE EQUAL SIGN. },
journal = { TEACHING CHILDREN MATHEMATICS },
year = { 2006 },
volume = { 13 },
issn = { 1073-5836 },
pages = { 111-117 },
}